<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>比较两个数的大小</title>
</head>
<script>
    var num1 = prompt(`请输入第一个数:`),
        num2 = prompt(`请输入第二个数:`);
    alert(`这个数${num1 > num2 ? num1 : num2}更大一点`);
</script>

<body>

</body>

</html>